Hair trimmer housing



FIG. 1 is a top perspective view of the present hair trimmer;

FIG. 2 is a right side view of same;

FIG. 3 is a left side inverted view of the hair trimmer of FIG. 1;

FIG. 4 is a top view of same;

FIG. 5 is a bottom view of same;

FIG. 6 is a rear view of the present hair trimmer; and,

FIG. 7 is a front view of same.

The structure shown in broken lines is for environment purposes only and does not form part of the claimed invention. 

The ornamental design for a hair trimmer housing, as shown and described. 